rise in technology

Chapter 3 Wireless Charger

Zhang Wenkai fired the company's squid coolly, but he did not go back to the rental house, but went directly to the largest electronic commodity market in Jingbei City according to Xiaona's request, because Xiaona asked Zhang Wenkai to buy a large number of electronic components and chips, saying yes It is necessary to make a wireless charger.

If it’s just the components, it’s easy to buy, but the chips are a little troublesome. We can only buy electronic products and disassemble them ourselves. That’s the only way to go, Zhang Wenkai thought to himself.

Zhang Wenkai walked around the mall for more than an hour, and finally bought the components and chips needed for several electronic products according to Xiaona's request, and hurried back to the rental house by bus.

Looking at the messy electronic equipment in front of him, he couldn't think of how to do it with his professional knowledge of electronic information technology. It can be said that he had no idea at all, and he didn't understand the use of these things that Xiaona asked to buy back.

I have no idea at all!Zhang Wenkai reached out and took Xiaona out of his pocket, and put it on the table. Xiaona's holographic projection immediately appeared.

"Xiaona, what should we do?" Zhang Wenkai felt helpless.

Xiaona showed a very serious expression on the projection, explaining the technical principle of the wireless charger to Zhang Wenkai, and the issues that need attention.

"After understanding, the wireless charging technology on the earth is commonly called electric coupling technology. Its biggest shortcoming is that it needs to be charged at a short distance, so it is not a perfect framework concept of wireless charging technology. Resonance induction technology has an effective distance of about two meters, and its price is about five hundred dollars, but it is not suitable for civilian use."

Well, it’s really tasteless. After so much effort, the effective distance is only two meters. What’s the difference with wires? Even wires are much farther than this resonance technology. I don’t know how Xiaona’s wireless charging technology will be different. ?Zhang Wenkai asked curiously: "Then what better technology is there to realize it?"

"Yes, sir, the wireless charging technology on the mother star was developed very early. His framework concept is somewhat similar to the resonance induction technology, but it has a farther range than the resonance induction technology. We call it magnetic frequency conversion transmission technology, but it is limited. Due to the material factors on the earth, it cannot achieve the goal we can imagine." Xiaona said with some regret.

Zhang Wenkai frowned. If he couldn't achieve the expected goal, what would happen? Is there a functional gap?Finally, when I asked again, I still asked the question in my heart: "How far can I reach?"

After Xiaona's holographic projection disappeared, she was replaced by a bunch of weird symbols. After these weird symbols flashed, Xiaona's projection appeared clearly again.

"The effective distance can reach within 15 meters, if it is farther, it will not work."

15 meters?It is completely enough, even the 15-meter Zhang Wenkai is full of confidence, and the 15-meter wireless charging is shocking enough, so he took off his coat and got ready to start working.

"Xiaona, what do you need me to do?" Zhang Wenkai rolled up his cuffs and asked.

"This is the circuit diagram of the wireless charger." Xiaona's projection disappeared again, and instead of her was a complicated circuit diagram.

Because there are no corresponding instruments, it is very troublesome to carve a circuit board by hand. Due to various reasons, Zhang Wenkai can only take out his own electric soldering iron, and only use complicated flying leads to realize the functions of the circuit board. The consequence is that the serious circuit board cannot be seen, only densely packed lines can be seen.

Is this resistor placed here?OK.

What about this triode?oh!Put it together with the onboard chip.

So what are these onboard chips used for?ah!If you don’t understand, then skip this topic for now.

The afternoon was spent in question and answer.

With his own rough welding techniques, he finally finished welding the wireless charger and mobile phone receiver in the evening. Looking at this weird thing about the size of a TV set-top box, Zhang Wenkai also fell into deep helplessness. Why didn’t he do it properly when he was in class? Studying, if you study hard, at least your skills will be much better than what you can do now. Looking at this somewhat rough and strange 'box', Zhang Wenkai still has some doubts about the wireless charging function. He adjusted his mentality and looked at the Xiaona asked:

"What else do you need to do next?"

"You just need to write the smart frequency conversion code. I have sent the related files of the code to your computer." There are many weird symbols floating in front of Xiaona's projection. Pick and choose, then knead the selected symbols into a ball, and finally throw it to Zhang Wenkai's computer. Zhang Wenkai saw an extra file suddenly appear on the computer desktop.

"Xiaona, what are those weird symbols?" Zhang Wenkai asked curiously.

"Sir, it's the programming code of the home planet." Xiaona said truthfully.

When Zhang Wenkai saw these weird symbols, he guessed that it might be some code program. Unexpectedly, he guessed it right. If he used this code to write programs in the future, wouldn’t it be possible for no one to crack it?Zhang Wenkai's eyes lit up, he looked at Xiaona expectantly, and asked, "Xiaona, can earthlings crack this code?"

The code of the earth has formed a common standard, and then compiled into computer-executable binary instructions through the source code. If a new code is used, it cannot be cracked. In this way, the confidentiality can be maximized. Imagine if you do The software that comes out cannot be deciphered by others, so they can only stare blankly at it. It is such a thing that makes me happy and makes other programmers despair.

"In theory, yes, this set of codes is very difficult to decipher, and it is already a difference in language." Xiaona replied to Zhang Wenkai's words.

"Teach me how to use this set of codes later." Zhang Wenkai has realized the importance of this set of codes, and decided to use this set of codes for everything that involves programming in the future.

Xiaona's projection nodded and said, "Okay, sir."

Zhang Wenkai connected the single-chip microcomputer to the computer, set some parameters according to Xiaona's requirements, and then hit the Enter key, and a screen for reading the article was displayed, but in the blink of an eye, the code program had already been written into the In the chip, and then write the mobile phone receiver into the code program in the same way.

Holding this pile of wireless chargers spliced ​​by various components, Zhang Wenkai couldn't wait to plug them into the power socket, took the receiver the size of a USB flash drive, and installed it in the Samsung mobile phone he had used for two years. on the data interface.

Ding dong, the phone charging notification sounded, Zhang Wenkai was excited inside, an unstoppable ecstasy rushed to his heart, holding the phone in his hand, one step, still charging, two steps, still charging, three steps, four steps , the charging pattern is still displayed on the phone, one step and two steps (like a devil's pace), until the tenth step, the phone still prompts that it is charging!
Zhang Wenkai clenched his fists, and with heavy breathing, he walked out a distance of about 15 meters with his mobile phone still in his hands. He was still reminded that it was charging, and took another small step forward. Looking at the screen of the mobile phone, Zhang Wenkai had a small Lost, no longer charging, as Xiaona said, the effective distance is really only 15 meters, but this feeling of loss is quickly replaced by great joy.

This is already a product that promotes the progress of the times. It will be the mainstream of charging technology in the future, and the world will bid farewell to wired charging.

"Xiaona, is this kind of wireless charger harmful to people?" Zhang Wenkai must be cautious. If this thing is harmful to people, it is really difficult to handle. It has been questioned by many people; and this kind of wireless charger may produce harmful magnetic fields or electromagnetic radiation, which Zhang Wenkai learned when he was in college.

"Sir, there is no harm to people. Since our chip is an intelligent frequency conversion, the harm to people is almost negligible." Xiaona said without a trace of emotion in her voice.

"Great! Can you make it smaller?" Zhang Wenkai asked hastily.

The wireless charger made by Zhang Wenkai is still too big. If it is smaller, it will be more convenient to carry, and people prefer more compact things.

While explaining to Zhang Wenkai, Xiaona gestured with her small hands and said, "If the charger can be the size of a mobile phone and the receiver can be the size of a keyboard key, if using nanotechnology, the charger can be the size of a keyboard." It is the size of a plug, and the receiver is only the size of a little fingernail, which can be directly welded inside the phone."

Zhang Wenkai was pleasantly surprised by Xiaona's words, so let's not talk about the youngest one.Just make it the size of a mobile phone, and the size of a round plate is enough for three stars. What's more, the charging distance of our charger is so far, and the three stars are simply incomparable.

Zhang Wenkai felt refreshed, punching the stick for three stars, and kicking the little apple of the United States, what a pleasant thing, uh, thinking a little too much.Zhang Wenkai couldn't help looking at the socket of the power strip. If weak electricity such as mobile phones can be realized, then I don't know if strong electricity can realize wireless charging. If it can, it will be even more meaningful. It can be made into a wireless charging Refrigerator, wifi tv and more.

"Xiaona, if it is made into a strong electric wireless charging, is it feasible?" Zhang Wenkai asked Xiaona the question in his heart.

To Zhang Wenkai's question, Xiaona replied directly: "Yes, sir, you just need to slightly modify the program code and replace some components with higher power."

Ma De, that's great. In this way, we can first push wireless chargers for mobile phones to the market, wait for the sales to increase, and make money, and then invest the money in strong wireless chargers. Zhang Wenkai has already made plans for product marketing made some immature assumptions.

"Xiaona, you design a complete PCB circuit board." Zhang Wenkai ordered that all the product production can be completed by finding a foundry factory. Xiaona only needs to re-design a PCB circuit board so that the foundry factory can directly produce it. The written program uses the programming language of Xiaona's mother planet, which cannot be cracked by others. At the same time, Zhang Wenkai racked his brains to think about what else he missed.

"Sir, the files you need have been sent to your computer." Xiaona waved her hand at the computer.

Seeing that Xiaona sent the things she wanted to her computer so quickly, Zhang Wenkai was also amazed, Mad, it really is worthy of being an artificial intelligence.

"Approximately how much does a set of wireless chargers cost?"

Zhang Wenkai almost forgot to ask about the cost, but when he said it, Zhang Wenkai knew that he was worrying about it. Even if the cost was high, he could give you a cabbage price in China, so he didn't worry about the cost anymore.

"The cost is about 30 yuan, and it will be lower if it is mass-produced." Xiaona told Zhang Wenkai truthfully.

Sure enough, Zhang Wenkai was not disappointed. The cost of such a high-tech thing is only 30 yuan. At that time, I can buy it for 199 US dollars or 299 US dollars. I believe that many people are willing to pay for it; the joy of success is incomparable to anything Yes, at this moment Zhang Wenkai is full of confidence in the future.

For the protection of technology, Zhang Wenkai does not plan to apply for a patent, just like the Coke Company, because applying for a patent requires the disclosure of relevant technical information. Even if this wireless charger is brought in front of others, others cannot crack it. Why do you need to apply for a patent? It is enough to protect it as a commercial secret, at most it is to apply for an appearance patent.

Don't think about it so much, let's talk about it tomorrow, Zhang Wenkai rubbed his face tiredly, and said to Xiaona: "Xiaona, quickly tell me how to use this programming language."

There are too many experiences in this day, and the mood fluctuates a lot. People are easily tired. Zhang Wenkai dragged his tired body and devoted himself to learning the alien programming language.

(End of this chapter)